I have an image pyramid that I created with gdal2tiles
. Then I displayed this layer on top of another map in OpenLayers 5 with the XYZ source.
On the map zoom levels 0-8 the XYZ layer is not aligning correctly with the underlying map, in the next zoom level it fits perfectly. (See the attached images below).
My guess is that I missed something in how to set up the OpenLayers layer but I can't figure out what.
Here is the OpenLayers part for the layer:
private xyzlayer: TileLayer = new TileLayer({
opacity: 1,
extent: [613934.99711258523166, 6724227.18296865839511, 618936.50444324919954, 6729085.88076259661466],
source: new olXYZ({
maxZoom: 8,
projection: 'EPSG:3006',
url: 'http://localhost:10/georeferencerApp/georeferenced/gavle_test/{z}/{x}/{-y}.png',
tileGrid: new xyzTileGrid({
extent: [613934.997113, 6724227.18297, 618936.504443, 6729085.88076],
resolutions: [25.38836208458858, 12.69418104229429, 6.34709052114714, 3.17354526057357, 1.58677263028679, 0.79338631514339, 0.39669315757170, 0.19834657878585, 0.09917328939292]
})
})
});
This is the XML file from gdal2tiles
:
<TileMap version="1.0.0" tilemapservice="http://tms.osgeo.org/1.0.0">
<Title>gavle_1954.tif</Title>
<Abstract></Abstract>
<SRS>EPSG:3006</SRS>
<BoundingBox minx="613934.99711258523166" miny="6724227.18296865839511" maxx="618936.50444324919954" maxy="6729085.88076259661466"/>
<Origin x="613934.99711258523166" y="6724227.18296865839511"/>
<TileFormat width="256" height="256" mime-type="image/png" extension="png"/>
<TileSets profile="raster">
<TileSet href="0" units-per-pixel="25.38836208458858" order="0"/>
<TileSet href="1" units-per-pixel="12.69418104229429" order="1"/>
<TileSet href="2" units-per-pixel="6.34709052114714" order="2"/>
<TileSet href="3" units-per-pixel="3.17354526057357" order="3"/>
<TileSet href="4" units-per-pixel="1.58677263028679" order="4"/>
<TileSet href="5" units-per-pixel="0.79338631514339" order="5"/>
<TileSet href="6" units-per-pixel="0.39669315757170" order="6"/>
<TileSet href="7" units-per-pixel="0.19834657878585" order="7"/>
<TileSet href="8" units-per-pixel="0.09917328939292" order="8"/>
</TileSets>
</TileMap>
And this is the gdal2tiles
command:
gdal2tiles -p raster -z 0-8 -s EPSG:3006 gavle_1954.tif gavle_test
Could anyone give me a hint on what the problem might be?